A new method to determine regional evapotranspiration

Mordeckai Magaritz*, Aaron Kaufman, Michael Paul, Elisabetta Boaretto, George Hollos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A method is described whereby the chloride concentration and the ratio of 36Cl to total chloride of a given water body are compared with those of precipitation to determine the fraction of the original precipitation which was lost by evapotranspiration before it reached that water body. This method was applied to 11 water sources in the upper Jordan River basin, and the evapotranspirative loss was generally found to be in the range 40–90%. This method, which is much simpler than the other methods for determining regional evapotranspiration, will enable us to monitor the changes in the hydrological cycle which are expected to result from the greenhouse effect.

Original languageEnglish
Pages (from-to)1759-1762
Number of pages4
JournalWater Resources Research
Volume26
Issue number8
DOIs
StatePublished - Aug 1990

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